Which of the Following Statements Is Correctly Matched to the Step

question 27

Multiple Choice

Which of the following statements is correctly matched to the step of the scientific method?

• A) Biologists suggested that 2-3 cups of coffee per day can decrease death rates among women. (Hypothesis)
• B) Leslie set up mist nets to catch bats flying over a small stream. Each bat that was caught was weighed and sexed. (Experimental design)
• C) Bethany watched butterflies feeding in a large field of wild flowers. She noticed that more butterflies approached the yellow and purple flowers than the red flowers. (Observation)
• D) A researcher reported that red-foot tortoises preferred red-colored fruits and vegetables to those that were green or white. (Conclusion)
• E) All of the above statements are correctly matched.

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Definitions:

Double Contrast

A radiographic technique that uses two contrasting agents (one positive and one negative) to improve image quality in diagnostic imaging.

Crystals

Solid materials whose atoms are arranged in highly ordered, repeating patterns extending in all three spatial dimensions.

Barium Enema

A diagnostic imaging procedure that involves filling the colon with a liquid barium solution to help visualize the colon and rectum on an X-ray.

Upper GI Series

A series of radiographs of the esophagus, stomach, and small intestine taken after swallowing a contrast material to diagnose conditions and abnormalities.